Date: Mon, 15 Sep 2014 15:40:56 +0100 From: RW <rwmaillists@googlemail.com> To: freebsd-questions@freebsd.org Subject: Re: S + J for /tmp and /var and /? Message-ID: <20140915154056.50ead271@gumby.homeunix.com> In-Reply-To: <20140913081905.1de2006c.ohartman@zedat.fu-berlin.de> References: <20140910090947.4941336b.ohartman@zedat.fu-berlin.de> <20140913033102.GA10967@neutralgood.org> <20140913081905.1de2006c.ohartman@zedat.fu-berlin.de>
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On Sat, 13 Sep 2014 08:19:05 +0200 O. Hartmann wrote: > The problem is that clients like xpdf open by default all PDFs > in /tmp and not /var/tmp (which is still mapped to disk in all my > configurations) and with lots PDFs open, the box starts swapping > pretty quickly with only 4GB RAM and ZFS. Even with 8 GB RAM its a > kind of problematic, when we deal with larger temporary files taken > from simulations, opened by vi or other editors and stored > temporarily in /tmp. I've been using tmpfs since I had 1.5 GB of RAM, and I never noticed a slowdown with swapping due to tmpfs, except a little bit while the page daemon did the writing. I've used it with more than 2xRAM swapped out. Maybe ZFS isn't leaving it enough memory.
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